Granted Patent
Utility
US 4,837,482 · App. 07/172,391
Color picture tube having reduced local doming
Inventors:
Osamu Adachi, Osamu Konosu
Patented Case
View Patent ↗
Granted: Jun 6, 1989
Filed: Mar 24, 1988
Inventors
Osamu Adachi
Osamu Konosu
Assignee (at issue)
Matsushita Electronics Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.